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The transmision shal is a hioh-speed,less supported rotating body,so its dynamic balance is crucial Generall.the transmision shaf underges a dmamic balance test beforeleavingthe faotony and has been adusted on the balance machine,For a frontenine rearwheeldrive caritransmis the rotation ofthe transmission to the shat of the mainreducer, which can be several ioints, and the ioints can be connected by a universal ioint

The hollow aluminum shaft forging is made of 7570 aluminum material, mainly to adapt to lightweight design and meet the requirements of use after weight reduction.